<!DOCTYPE html>
<style>
#container {
    position: absolute;
    width: 550px;
    height: 500px;
}
.test {
    backface-visibility: hidden;
    position: absolute;
    width: 10%;
    height: 8%;
}
.image {
    background-image: url(../resources/small-apple.jpg);
    top: 0px;
}
.generated {
    background-image: linear-gradient(blue, green);
    top: 100px;
}
.size-cover {
    background-size: cover;
    left: 50px;
}
.size-contain {
    background-size: contain;
    left: 100px;
}
.fixed-width {
    background-size: 30px auto;
    left: 150px;
}
.percent-width {
    background-size: 50% auto;
    left: 200px;
}
.left {
    background-position: left 10px top 0px;
    left: 250px;
}
.right {
    background-position: right 20px top 0px;
    left: 300px;
}
.center {
    background-position: center; 
    left: 350px;
}
.no-repeat {
    background-repeat: no-repeat;
    left: 400px;
}
.repeat-space {
    background-repeat: space;
    left: 450px;
}
.repeat-round {
    background-repeat: round;
    left: 500px;
}
</style>
<div id="container">
    <div class="test image"></div>
    <div class="test image size-cover"></div>
    <div class="test image size-contain"></div>
    <div class="test image fixed-width"></div>
    <div class="test image percent-width"></div>
    <div class="test image left"></div>
    <div class="test image right"></div>
    <div class="test image center"></div>
    <div class="test image no-repeat"></div>
    <div class="test image repeat-space"></div>
    <div class="test image repeat-round"></div>
    <div class="test generated"></div>
    <div class="test generated cover"></div>
    <div class="test generated contain"></div>
    <div class="test generated fixed-width"></div>
    <div class="test generated percent-width"></div>
    <div class="test generated left"></div>
    <div class="test generated right"></div>
    <div class="test generated center"></div>
    <div class="test generated no-repeat"></div>
    <div class="test generated repeat-space"></div>
    <div class="test generated repeat-round"></div>
</div>
